terraform/backend/remote-state/consul/client_test.go

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package consul
import (
"fmt"
"testing"
"time"
"github.com/hashicorp/terraform/backend"
"github.com/hashicorp/terraform/state"
"github.com/hashicorp/terraform/state/remote"
)
func TestRemoteClient_impl(t *testing.T) {
var _ remote.Client = new(RemoteClient)
var _ remote.ClientLocker = new(RemoteClient)
}
func TestRemoteClient(t *testing.T) {
srv := newConsulTestServer(t)
defer srv.Stop()
// Get the backend
b := backend.TestBackendConfig(t, New(), map[string]interface{}{
"address": srv.HTTPAddr,
"path": fmt.Sprintf("tf-unit/%s", time.Now().String()),
})
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// Grab the client
state, err := b.State(backend.DefaultStateName)
if err != nil {
t.Fatalf("err: %s", err)
}
// Test
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remote.TestClient(t, state.(*remote.State).Client)
}
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// test the gzip functionality of the client
func TestRemoteClient_gzipUpgrade(t *testing.T) {
srv := newConsulTestServer(t)
defer srv.Stop()
statePath := fmt.Sprintf("tf-unit/%s", time.Now().String())
// Get the backend
b := backend.TestBackendConfig(t, New(), map[string]interface{}{
"address": srv.HTTPAddr,
"path": statePath,
})
// Grab the client
state, err := b.State(backend.DefaultStateName)
if err != nil {
t.Fatalf("err: %s", err)
}
// Test
remote.TestClient(t, state.(*remote.State).Client)
// create a new backend with gzip
b = backend.TestBackendConfig(t, New(), map[string]interface{}{
"address": srv.HTTPAddr,
"path": statePath,
"gzip": true,
})
// Grab the client
state, err = b.State(backend.DefaultStateName)
if err != nil {
t.Fatalf("err: %s", err)
}
// Test
remote.TestClient(t, state.(*remote.State).Client)
}
func TestConsul_stateLock(t *testing.T) {
srv := newConsulTestServer(t)
defer srv.Stop()
path := fmt.Sprintf("tf-unit/%s", time.Now().String())
// create 2 instances to get 2 remote.Clients
sA, err := backend.TestBackendConfig(t, New(), map[string]interface{}{
"address": srv.HTTPAddr,
"path": path,
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}).State(backend.DefaultStateName)
if err != nil {
t.Fatal(err)
}
sB, err := backend.TestBackendConfig(t, New(), map[string]interface{}{
"address": srv.HTTPAddr,
"path": path,
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}).State(backend.DefaultStateName)
if err != nil {
t.Fatal(err)
}
remote.TestRemoteLocks(t, sA.(*remote.State).Client, sB.(*remote.State).Client)
}
func TestConsul_destroyLock(t *testing.T) {
srv := newConsulTestServer(t)
defer srv.Stop()
// Get the backend
b := backend.TestBackendConfig(t, New(), map[string]interface{}{
"address": srv.HTTPAddr,
"path": fmt.Sprintf("tf-unit/%s", time.Now().String()),
})
// Grab the client
s, err := b.State(backend.DefaultStateName)
if err != nil {
t.Fatalf("err: %s", err)
}
c := s.(*remote.State).Client.(*RemoteClient)
info := state.NewLockInfo()
id, err := c.Lock(info)
if err != nil {
t.Fatal(err)
}
lockPath := c.Path + lockSuffix
if err := c.Unlock(id); err != nil {
t.Fatal(err)
}
// get the lock val
pair, _, err := c.Client.KV().Get(lockPath, nil)
if err != nil {
t.Fatal(err)
}
if pair != nil {
t.Fatalf("lock key not cleaned up at: %s", pair.Key)
}
}
func TestConsul_lostLock(t *testing.T) {
srv := newConsulTestServer(t)
defer srv.Stop()
path := fmt.Sprintf("tf-unit/%s", time.Now().String())
// create 2 instances to get 2 remote.Clients
sA, err := backend.TestBackendConfig(t, New(), map[string]interface{}{
"address": srv.HTTPAddr,
"path": path,
}).State(backend.DefaultStateName)
if err != nil {
t.Fatal(err)
}
sB, err := backend.TestBackendConfig(t, New(), map[string]interface{}{
"address": srv.HTTPAddr,
"path": path + "-not-used",
}).State(backend.DefaultStateName)
if err != nil {
t.Fatal(err)
}
info := state.NewLockInfo()
info.Operation = "test-lost-lock"
id, err := sA.Lock(info)
if err != nil {
t.Fatal(err)
}
reLocked := make(chan struct{})
testLockHook = func() {
close(reLocked)
}
// now we use the second client to break the lock
kv := sB.(*remote.State).Client.(*RemoteClient).Client.KV()
_, err = kv.Delete(path+lockSuffix, nil)
if err != nil {
t.Fatal(err)
}
<-reLocked
if err := sA.Unlock(id); err != nil {
t.Fatal(err)
}
}